Verified coupon offerEvidence score8/10

RNX Research coupon code

Updated October 7, 2026

10% off at checkout - owner confirmed

Last verified .

Tap to copy codeShop RNX Research
COA quality
8/10 · COA verified
Vendor location
Glastonbury, Connecticut, USA (vendor-stated mailing address)
Offer confirmed
Prices checked
Browse all certificates in the PeptidePrices COA library →
PeptidePrices price check

RNX Research price per mg with discount code peptideprices10

Visit RNX Research ↗

Compare compound prices: GLP-3RBPC-157GHK-CuMOTS-cGLP-2T

Prices from the October 7, 2026 catalog check. "Market" is the median price per mg across all PeptidePrices-tracked vendors for the same compound and size; shown prices include code peptideprices10.

Before you check out

RNX Research coupon code: what it buys

Worked out from the latest PeptidePrices catalog check of RNX Research and its matched certificates.

Popular RNX Research listings with code peptideprices10

The lowest in-stock price for the 4 most-searched compounds RNX Research carries beyond the price check above. The code price is the list price minus the verified discount, before shipping.

  • TB-50010mg$58.00 $52.20 with 10% off
  • Semax10mg$37.50 $33.75 with 10% off
  • Selank10mg$37.50 $33.75 with 10% off
  • Glutathione600mg$40.00 $36.00 with 10% off

RNX Research certificates for in-stock listings

14 of 14 in-stock RNX Research listings have an issuer-verified certificate for the exact compound and strength. Issuing labs: BTLabs, ILS Laboratories and Kovera Labs.

Open RNX Research certificates in the COA library →

RNX Research shipping and delivery

Free ground; free two-day above $125. USPS/UPS; no international shipping.

Prices checked October 7, 2026

Every RNX Research price with discount code peptideprices10

14 in-stock RNX Research listings from the PeptidePrices daily price scrape. The second price is the list price minus the verified RNX Research coupon, before shipping. Available compound comparisons are linked.

Show all 14 RNX Research listings
Market prices collected

RNX Research compound price history

The five cheapest in-stock listings across tracked vendors for each compound, before coupons and shipping.

GLP-3R

Five cheapest in-stock listings per day

$39.57$28.85$18.14Sep 20Sep 24Sep 29Oct 3Oct 7
  • Cheapest$25.99
  • 2nd cheapest$27.00
  • 3rd cheapest$27.00
  • 4th cheapest$27.00
  • 5th cheapest$28.99
18 collected days and prices
Cheapest in-stock listing prices by collected day
DateCheapest2nd cheapest3rd cheapest4th cheapest5th cheapest
$25.99$27.00$27.00$27.00$28.99
$24.95$25.99$27.00$27.00$27.00
$24.95$25.00$25.99$27.00$27.00
$24.95$25.00$25.99$27.00$27.00
$24.95$25.00$25.99$27.00$28.99
$24.95$25.00$25.99$27.00$28.99
$20.21$25.99$27.00$28.99$30.00
$20.21$25.99$27.00$28.99$30.00
$20.21$25.99$27.00$28.99$30.00
$20.21$25.99$27.00$28.99$30.00
$20.21$25.99$27.00$30.00$30.00
$20.21$25.99$27.00$30.00$30.00
$20.21$25.99$27.00$28.00$30.00
$20.21$27.00$28.00$30.00$30.00
$24.95$27.00$30.00$35.00$35.00
$24.95$27.00$35.00$35.06$37.00
$24.95$27.00$35.00$37.00$37.50
$24.95$24.95$27.00$27.00$30.00

Vendors most often in the cheapest five

  • Rocky Mountain Compounds19 days$24.950.0%
  • Lost Coast Aminos19 days$27.000.0%
  • Modern Research Peptides13 days$25.990.0%
  • RetaOne Labs9 days$30.000.0%
  • ZC Labs6 days$28.990.0%
  • TrustedPeps5 days$28.00-20.0%
  • Step One Ventures4 days$27.000.0%
  • Vector Amino Labs4 days$27.000.0%

Top 8 of 14 vendors that reached the cheapest five

BPC-157

Five cheapest in-stock listings per day

$26.80$17.50$8.20Sep 20Sep 24Sep 29Oct 3Oct 7
  • Cheapest$15.99
  • 2nd cheapest$18.69
  • 3rd cheapest$19.99
  • 4th cheapest$21.99
  • 5th cheapest$21.99
18 collected days and prices
Cheapest in-stock listing prices by collected day
DateCheapest2nd cheapest3rd cheapest4th cheapest5th cheapest
$15.99$18.69$19.99$21.99$21.99
$15.99$18.69$19.99$21.99$21.99
$15.99$18.69$19.99$21.99$22.44
$15.99$18.69$19.99$21.99$22.44
$15.99$18.69$19.99$19.99$21.99
$15.99$18.69$19.99$19.99$21.99
$15.99$18.69$19.99$19.99$20.25
$10.00$15.99$18.69$19.99$19.99
$10.00$15.99$18.69$19.99$19.99
$10.00$15.99$18.69$19.99$19.99
$10.00$15.99$18.69$19.99$19.99
$10.00$15.99$18.69$19.99$19.99
$10.00$15.99$18.69$19.99$19.99
$10.00$18.69$19.99$19.99$20.00
$10.00$15.99$18.69$19.99$19.99
$10.00$15.99$19.99$19.99$25.00
$10.00$15.99$19.99$19.99$25.00
$10.00$10.00$15.99$15.99$19.99

Vendors most often in the cheapest five

  • MS Peptides18 days$15.990.0%
  • Peptide Giants17 days$19.990.0%
  • CertaPeptides16 days$22.44+12.3%
  • Pure Peptides UK15 days$18.690.0%
  • VAYN12 days$10.000.0%
  • Modern Research Peptides5 days$21.990.0%
  • Legion Peptides3 days$21.990.0%
  • Ascending Labs2 days$25.000.0%

Top 8 of 10 vendors that reached the cheapest five

TB-500

Five cheapest in-stock listings per day

$32.15$21.00$9.84Sep 20Sep 24Sep 29Oct 3Oct 7
  • Cheapest$12.00
  • 2nd cheapest$21.38
  • 3rd cheapest$25.00
  • 4th cheapest$26.72
  • 5th cheapest$27.89
18 collected days and prices
Cheapest in-stock listing prices by collected day
DateCheapest2nd cheapest3rd cheapest4th cheapest5th cheapest
$12.00$21.38$25.00$26.72$27.89
$21.38$26.72$27.89$28.80$29.99
$21.38$25.00$26.72$27.89$28.00
$17.68$21.38$24.98$25.00$26.72
$15.75$21.38$22.25$25.00$26.72
$15.75$21.38$22.25$25.00$26.72
$15.75$21.38$22.25$25.00$26.72
$15.75$20.00$21.38$22.25$25.00
$20.00$21.38$23.99$25.00$26.72
$20.00$21.38$25.00$26.72$27.00
$20.00$21.38$23.99$25.00$26.72
$20.00$21.38$25.00$26.72$27.00
$20.00$21.38$25.00$26.72$27.00
$20.00$21.38$25.00$26.72$27.89
$20.00$21.38$25.00$26.72$27.89
$20.00$25.00$27.89$28.00$29.99
$20.00$25.00$27.89$28.00$29.99
$20.00$20.00$25.00$25.00$27.89

Vendors most often in the cheapest five

  • Nura Peptide17 days$25.000.0%
  • Pure Peptides UK15 days$21.380.0%
  • Kensington Labs14 days$26.720.0%
  • VAYN12 days$20.000.0%
  • CertaPeptides10 days$24.98+58.6%
  • T-Core Biotech8 days$27.890.0%
  • PeakForce Labs3 days$27.000.0%
  • P3 Labs3 days$28.000.0%

Top 8 of 12 vendors that reached the cheapest five

Verification receipt

What PeptidePrices checked

Offer confirmed
peptideprices10 gives 10% off; confirmed by the PeptidePrices owner October 7, 2026.

Before you redeem

RNX Research scores 8/10 (trusted) on our 4-factor rubric, with public third-party COAs as the main driver. It's based in Glastonbury, Connecticut, USA (vendor-stated mailing address), accepts credit/debit cards. The listed partner offer is 10% off - apply code peptideprices10 at checkout. The PeptidePrices owner confirmed the current offer.

Best fit

See the RNX Research review for the specific compounds where they're strongest and how their COA tier compares to higher- and lower-rated alternatives.

Catalog

Visit the vendor's site for current inventory and compare its $/10mg equivalent against our tables.

How to use the RNX Research promo code peptideprices10

  1. Open RNX ResearchUse the vendor link on this page.
  2. Apply peptideprices10Enter peptideprices10 in the coupon field at checkout.
  3. Verify the totalConfirm the current discount before submitting payment.

Terms can change at the vendor; confirm the offer at checkout.

RNX Research coupon, promo code & discount code FAQ

Is the RNX Research peptideprices10 coupon code real?

Yes. RNX Research provides code peptideprices10. Open the vendor, enter the code separately at checkout, and confirm the discount before payment.

What's the current RNX Research discount?

10% off. Use code peptideprices10 at checkout. We update this page when the offer changes.

Does the RNX Research coupon affect its PeptidePrices rating?

No. Coupons and affiliate relationships carry no rating weight. RNX Research's 8/10 evidence score comes from COA practices, reputation, transparency, and operations, and is explained on its review page.

How do I activate the RNX Research coupon?

Open RNX Research, then paste peptideprices10 into the coupon field at checkout.

What is the current RNX Research promo code or discount code?

The current RNX Research promo code is peptideprices10. It gives 10% off when the offer requirements are met. Open the tracked vendor link, enter the code at checkout, and confirm the lower total before paying.

When was the RNX Research coupon last verified?

The current offer is owner-confirmed; PeptidePrices updated this offer on October 7, 2026.

Offer details can change. Confirm the code and final total at checkout. Vendor quality scores use testing, reputation, transparency, and operations, not discount size.